Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings a change in Dundee's weather, with average high-temperatures moving from April's fresh 55.2°F (12.9°C) to an enjoyable 66.7°F (19.3°C). During May, Dundee records a consistent average nighttime temperature of 50.4°F (10.2°C).Humidity
In May, the average relative humidity in Dundee is 80%.Rainfall
In May, in Dundee, the rain falls for 19.2 days. Throughout May, 4.41" (112mm) of precipitation is accumulated. Throughout the year, there are 142.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall in Dundee are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Dundee aggregates 0.12" (3mm) of snow. In Dundee, Iowa, during the entire year, snow falls for 51 days and aggregates up to 22.05" (560mm) of snow.Daylight
In Dundee, the average length of the day in May is 14h and 38min.On the first day of May in Dundee, sunrise is at 5:59 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:36 pm CDT.
Sunshine
In Dundee, the average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in May transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the average May temperature in Dundee?
What is the average humidity in May in Dundee?
How many days does it rain in May in Dundee?
What is the last month it snows in Dundee?
What is the average length of the day in May in Dundee?
What time are sunrise and sunset in May in Dundee?
How long on average sun shines in May in Dundee?
How high is the UV index in May in Dundee?
Average temperature in May
Dundee, IA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in May
Dundee, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Dundee, IA
- Average wind speed in May: 9.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in May
Dundee, IA
- Average humidity in May: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Dundee, IA
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in May
Dundee, IA
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Dundee, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Dundee, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dundee, IA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Dundee, IA
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in May
Dundee, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Dundee, IA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Dundee, IA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Dundee, Iowa, USA
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